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Theses and Dissertations (Animal and Wildlife Sciences): Recent submissions
Now showing items 261-280 of 393
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(University of Pretoria, 2011-11-21)Within the South African feedlot industry, there are currently several different roughage sources available for use in feedlot finishing diets. To evaluate the influence of dietary energy and fibre source on rumen function ...
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(University of Pretoria, 2011-11-21)The objective of this study was to determine the dietary protein requirements of the Nile crocodile (Crocodylus niloticus) between the ages of 5 – 8 months, and to compare the results with documented protein requirements ...
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(University of Pretoria, 2011-11-18)The aim of the present study was to determine if there is a difference in ovulation- and conception rates, in semiintensively managed Dohne-Merino ewes, flush fed with diets containing different nitrogen sources. Four ...
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(University of Pretoria, 2011-11-18)Energy is the first-limiting nutrient for cows grazing pasture therefore, energy supplementation is necessary for high producing animals. In pasture-based systems, the concentrate is fed twice a day in the dairy parlour ...
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(University of Pretoria, 2010-11-12)The African wild dog Lycaon pictus is Africa’s second most endangered carnivore. Only 14 out of 39 countries in Africa still have wild dogs present. This makes the populations of wild dogs in South Africa very valuable ...
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(University of Pretoria, 2005-11-21)Six livestock owners, who are commonly used as demonstrators, participated in the study of which three were from communal areas and three from freehold farms in the Ganyesa area. The livestock production potential in ...
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(University of Pretoria, 2012-11-12)During spring kikuyu-ryegrass pasture has a low dry matter (DM) content (10-12%), is highly digestible and has high levels of soluble carbohydrates. Low rumen pH values have been recorded for cows grazing these pastures ...
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(University of Pretoria, 2001)1. The aim of this study was to determine the genetic parameters and breeding values for the South African Warmblood horse population. Information collected by the Society from 1989 to 1998 was provided for 2143 horses. ...
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(University of Pretoria, 2006-11-14)No abstract available
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Effects of diets differing in rumen soluble nitrogen on poor quality roughage utilization by sheep (University of Pretoria, 2012-11-12)The aim of this study was to determine whether a rapid release N source can be substituted with a slow release N source without having any negative effects on intake, digestibility, rumen fermentation and microbial protein ...
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(University of Pretoria, 2012-11-09)Milk fever (parturient paresis / hypocalcaemia) is a metabolic disorder that usually occurs near parturition and at the onset of lactation in high producing multiparous dairy cows. Milk fever can indirectly contribute to ...
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(University of Pretoria, 2010-03-02)The majority of South African household live in poverty with a limited variety of foods available in their home. In most rural villages domestic poultry plays an important role in improving household food security, but is ...
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(University of Pretoria, 2010-03-01)Ecological monitoring is an integral part of the ecological active adaptive management of wildlife reserves. The present study was conducted as an initial trial of a holistic ecological monitoring programme for Mabula Game ...
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(University of Pretoria, 2010-10-25)Rumen acidosis is a common problem under feedlot conditions where cattle change from a roughage-based to a high concentrate-based diet. It is associated with an imbalance between lactic acid producing and lactic acid ...
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(University of Pretoria, 2008)Galactopoietic effects of somatotropin are the result of IGF-I and require high-quality nutrient intake. This study investigated short-term partitioning effects during recombinant bovine somatotropin (bST) administration ...
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(University of Pretoria, 2009)Milk protein polymorphisms have a significant influence on milk quantity and composition. Kappa-casein is of special interest due to its known relationship with milk quality. In goats, a number of allelic variants have ...
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(University of Pretoria, 2006-10-11)No Abstract provided. Please read Chapter 5: "Conclusions and recommendations"
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(University of Pretoria, 2005-10-07)The status, distribution and ecology of klipspringer were studied in the Kruger National Park. For the status and distribution, the Kruger National Park south of the Olifants River was used as the study area. Data on the ...
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(University of Pretoria, 2007-02-13)The effect of genotype and slaughter age on gonadal development, body development and the correlations between these measurements were studied in five pig genotypes (Genotype 1, Genotype 2, Genotype 3, Genotype 4 and ...
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(University of Pretoria, 2007-10-03)The present study was conducted on Ezemvelo Nature Reserve in the highveld grasslands of South Africa. The evidence for ecological separation between the black and blue wildebeest was investigated in an area with suboptimal ...
Now showing items 261-280 of 393